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Cat® C1.1 Diesel Engine
Cat® C4.4 Industrial Power Unit
Cat® C4.4 Industrial Power Unit

Power Rating

Maximum Power 28.2 HP 108.6 HP 129.4 HP
Maximum Torque 49.4 lb-ft @ 2400 rpm - -
Rated Speed 2200-3400 rpm 2200 rpm 2200 rpm
Minimum Power 19.7 HP 81.8 HP 129.4 HP

Emission Standards

Emissions U.S. EPA Tier 4 Interim Equivalent UN ECE R96 Stage IIIA China Nonroad Stage III, Brazil MAR-1, UN ECE R96 Stage IIIA

Engine Dimensions - Approximate

Length 19.3 in - -
Width 15.7 in - -
Height 22.7 in - -
Weight - Net Dry - Basic Operating Engine Without Optional Attachments 191 lb - -

General

Engine Configuration Inline 3, 4-Stroke-Cycle Diesel Inline 4, 4-Stroke-Cycle Diesel Inline 4, 4-Stroke-Cycle Diesel
Bore 3 in 4.1 in 4.1 in
Stroke 3.2 in 5 in 5 in
Displacement 69 in³ 268.5 in³ 268.5 in³
Compression Ratio 23.0:1 18.2:1 16.2:1
Aspiration Naturally Aspirated (NA) Turbocharged (T) Turbocharged Aftercooled (TA)
Combustion System Indirect Injection - -
Rotation from Flywheel End Counterclockwise Counterclockwise Counterclockwise
Aftertreatment - - -

Power Unit Dimensions

Length - 49.6 in 53.5 in
Width - 28.9 in 29.5 in
Height - 38 in 37.9 in
Weight - 1025 lb 1146 lb
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